566923 has 4 divisors (see below), whose sum is σ = 647920. Its totient is φ = 485928.

The previous prime is 566911. The next prime is 566939. The reversal of 566923 is 329665.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 566923 - 2¹³ = 558731 is a prime.

It is not an unprimeable number, because it can be changed into a prime (566963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40488 + ... + 40501.

It is an arithmetic number, because the mean of its divisors is an integer number (161980).

2⁵⁶⁶⁹²³ is an apocalyptic number.

566923 is a deficient number, since it is larger than the sum of its proper divisors (80997).

566923 is an equidigital number, since it uses as much as digits as its factorization.

566923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80996.

The product of its digits is 9720, while the sum is 31.

The square root of 566923 is about 752.9428929208. The cubic root of 566923 is about 82.7639784347.

The spelling of 566923 in words is "five hundred sixty-six thousand, nine hundred twenty-three".